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#include "stdafx.h"
#include "TortoiseUtils.h"
#include "CShellExtDnd.h"
// According to http://msdn.microsoft.com/en-us/library/bb776094%28VS.85%29.aspx
// the help texts for the commands should be reasonably short (under 40 characters)
static const MenuDescription CDndMenuDescList[] =
{
{"drag_move", L"Hg Move versioned item(s) here",
L"", "hg.ico", 0},
{"drag_copy", L"Hg Copy versioned item(s) here",
L"", "hg.ico", 0},
/* Add new items here */
// template
//{"", L"", L"", ".ico", 0},
};
static const char* const DropMenu =
"drag_move drag_copy"
;
#define ResultFromShort(i) ResultFromScode(MAKE_SCODE(SEVERITY_SUCCESS, 0, (USHORT)(i)))
// IContextMenu
STDMETHODIMP
CShellExtDnd::QueryContextMenu(
HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags)
{
TDEBUG_TRACE("CShellExtDnd::QueryContextMenu");
if ((uFlags & CMF_DEFAULTONLY)!=0)
return S_OK; //we don't change the default action
if (((uFlags & 0x000f)!=CMF_NORMAL)&&(!(uFlags & CMF_EXPLORE))&&(!(uFlags & CMF_VERBSONLY)))
return S_OK;
UINT idCmd = idCmdFirst;
InitMenuMaps(CDndMenuDescList, sizeof(CDndMenuDescList) / sizeof(MenuDescription));
typedef std::vector<std::string> entriesT;
typedef entriesT::const_iterator entriesIter;
const char* entries_string = DropMenu;
entriesT entries;
Tokenize(entries_string, entries, " ");
for (entriesIter i = entries.begin(); i != entries.end(); i++)
{
std::string name = *i;
InsertMenuItemByName(
hMenu, name, indexMenu++,
idCmd++, idCmdFirst, L""
);
}
// separator
if (idCmd != idCmdFirst)
InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL);
TweakMenuForVista(hMenu);
return ResultFromShort(idCmd - idCmdFirst);
}
void CShellExtDnd::RunDialog(const std::string &cmd)
{
if (cmd == "drag_move" || cmd == "drag_copy") {
//Append the current directory as the dest
myFiles.push_back(myFolder);
}
CShellExtCMenu::RunDialog(cmd);
}
STDMETHODIMP CShellExtDnd::Initialize(
LPCITEMIDLIST pIDFolder, LPDATAOBJECT pDataObj, HKEY hRegKey)
{
TCHAR name[MAX_PATH+1];
PrintDebugHeader(pIDFolder, pDataObj);
myFolder.clear();
myFiles.clear();
// if a directory background
if (pIDFolder)
{
SHGetPathFromIDList(pIDFolder, name);
TDEBUG_TRACE(" Folder " << name);
myFolder = name;
}
std::string root;
//short circuit if we're dragging into a non-Hg repository
if (myFolder.empty() || (root = GetHgRepoRoot(myFolder)).empty())
{
TDEBUG_TRACE(" drag into a non-Hg repos directory");
return E_FAIL;
}
if (pDataObj)
{
FORMATETC fmt = { CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
STGMEDIUM stg = { TYMED_HGLOBAL };
if (SUCCEEDED(pDataObj->GetData(&fmt, &stg)) && stg.hGlobal)
{
HDROP hDrop = (HDROP) GlobalLock(stg.hGlobal);
if (hDrop)
{
UINT uNumFiles = DragQueryFile(hDrop, 0xFFFFFFFF, NULL, 0);
TDEBUG_TRACE(" hDrop uNumFiles = " << uNumFiles);
for (UINT i = 0; i < uNumFiles; ++i) {
if (DragQueryFile(hDrop, i, name, MAX_PATH) > 0)
{
TDEBUG_TRACE(" DragQueryFile [" << i << "] = " << name);
if (GetHgRepoRoot(name) != root)
{
TDEBUG_TRACE(" " << name << " isn't in target dir repository");
myFiles.clear();
break;
}
myFiles.push_back(name);
}
}
}
else
{
TDEBUG_TRACE(" hDrop is NULL ");
}
GlobalUnlock(stg.hGlobal);
if (stg.pUnkForRelease)
{
IUnknown* relInterface = (IUnknown*) stg.pUnkForRelease;
relInterface->Release();
}
}
else
{
TDEBUG_TRACE(" pDataObj->GetData failed");
}
}
// disable context menu if neither the folder nor the files
// have been found
if (myFiles.empty()) {
TDEBUG_TRACE(" shell extension not available on this object");
return E_FAIL;
} else {
return S_OK;
}
}
CShellExtDnd::CShellExtDnd(const char dummy) :
CShellExtCMenu(dummy)
{
}
CShellExtDnd::~CShellExtDnd()
{
}
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